Get to know yourself It’s all in the genes

Do you have dark or light hair? Dark hair is dominant. Dominant genotypes DD or Dd Recessive genotype dd

Are you right or left handed? Right handedness is dominant. Dominant genotypes RR or Rr Recessive genotype rr

Is your ear lobe free or attached? The gene for free earlobes is dominant. Dominant genotypes EE or Ee Recessive genotype ee

Do you have freckles? Freckles are dominant. Dominant genotypes FF or Ff Recessive genotype ff

Can you roll your tongue? Tongue rolling is dominant. Dominant genotypes TT or Tt Recessive genotype tt

Are your little fingers curved or straight? Curved little fingers are dominant. Dominant genotypes CC or Cc Recessive genotype cc

Do you have brown or blue eyes? Brown eyes are dominant. Dominant genotypes BB or Bb Recessive genotype bb David Bowie has one of each!

Which arm is on top when you cross them? Right arm on top is dominant. Dominant genotypes AA or Aa Recessive genotype aa

Is your thumb curved or straight? Straight thumbs are dominant. Dominant genotypes TT or Tt Recessive genotype tt

Is your second toe longer than your big toe? Longer second toes are dominant. Dominant genotypes SS or Ss Recessive genotype ss Note: Do not take your shoes off to check if you have already had PE today!

… what’s special about these toes? And finally… … what’s special about these toes?

Some vocabulary you may now know Variation Continuous Discrete Dominant Recessive